横向
1
Movement of people to new areas
4
Government elected by the people
6
Large territory under one ruler
7
Deadly epidemic disease
8
Ancient Egyptian picture writing
9
Metal that replaced bronze in tools
10
Sudden overthrow of a government
11
Medieval religious military campaign
纵向
1
Relating to the Middle Ages
2
Period of one hundred years
3
Government ruled by a king or queen
5
Advanced stage of human society
12
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